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Hello, my name is Nadia. My machine is simple. This machine is a catapult. It makes work easy and forest because it helps use the fencing hour.

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These machines use energy from people.

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This is how the machines work.

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Doors and spray.

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To make the catapult we used a wooden board,

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rope, a clamp, a pencil, a pulley, a wheelbarrow, a broken saw, and a screw.

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At the base, we fix the triangles, the saw, the pulley, and the clamp that we use as a trigger.

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En la sierra se fijan la huevera y la cuerda que pasaremos por la polea y nos dará la tensión para el disparo.

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El lápiz se fija en la parte superior de los triángulos para frenar el disparo.

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Una vez concluido el montaje, atacamos a un grupo rebelde de Playmobil.